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.FASTA File Extension

File TypeFASTA Sequence File

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CategoryData Files
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Text

This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

What is a FASTA file?

Scientific data format used to store nucleic acid sequences (such as DNA sequences) or protein sequences; may contain multiple sequences and therefore is sometimes referred to as the FASTA database format; can be viewed and analyzed using DNA analysis software.

More Information

FASTA files often start with a header line that may contain comments or other information. The rest of the file contains sequence data. Each sequence starts with a ">" symbol followed by the name of the sequence. The rest of the line describes the sequence and the remaining lines contain the sequence itself.

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Programs that open FASTA files
Updated 7/19/2017

About FASTA Files

Our goal is to help you understand what a file with a *.fasta suffix is and how to open it.

The FASTA Sequence file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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